Texas Instruments (TI) Interface support forum is an extensive online knowledge base where millions of technical questions and solutions are available 24/7. You can search interface IC content or ask technical support questions on everything from ESD protection to interfacing with USB, Ethernet, and HDMI. Find the right solution for your circuit design challenges by using our TI E2E™ support forums that are supported by thousands of contributing TI experts.
Part Number: DP83822
The DP83822 has extended registers than can help improve the margins for 10BaseTe TP_IDL tests.
Register 0x0023[11:8] = 0x8 by Default
Setting 0x0023[11:8] to 0x9 or 0xA can improve Margins.
See Pictures below (TP_IDL Load2…
There are four different types of resets available on a TI Ethernet PHY, each with it's own use case.
Pin Reset: Activated by asserting the Reset pin low. Digital core is reset, link up process will restart. All internal registers will reinitialize…
Other Parts Discussed in Thread: TCAN1043A-Q1 Introduction
Any CAN transceiver that has an Inhibit (INH) pin will also have a sleep mode. The purpose of the INH pin is to be able to automatically turn off the voltage regulator for your MCU/Board. This…
Part Number: DP83867E Other Parts Discussed in Thread: USB-2-MDIO To force a specific speed, auto-negotiation is left enabled while disabling advertisements for all non-desired speeds.
The scripts to do this in the USB-2-MDIO interface for the DP83867…
There are several different tools available in a Linux environment to read and write registers on a TI PHY. Several of these options are listed below.
MII read: This is the only command which can and must be used in U-boot. Stop the autoboot process…
